500
Some Walmart employees say customers are getting hostile at self-checkout — and they blame anti-theft tech
(www.businessinsider.com)
This is a most excellent place for technology news and articles.
Yep this is exactly why I refuse to do the scan as you go, it ends up seriously frustrating. Self scan at checkout is fine if you don't have paracetamol or alcohol, otherwise you're waiting ages for assistance.
It's definitely an overall worse experience